<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        header, main, footer {
            width: 1000px;
            margin: 0 auto;
        }

        header {
            height: 150px;
            background-color: silver;
        }

        main {
            height: 400px;
            background-color: aqua;
            margin: 10px auto;
        }

        nav, article, aside {
            height: 100%;
            float: left;
        }

        nav {
            width: 200px;
            background-color: orange;
        }

        article {
            width: 580px;
            background-color: pink;
            margin: 0 10px;
        }

        aside {
            width: 200px;
            background-color: yellow;
        }

        footer {
            height: 150px;
            background-color: antiquewhite;
        }
    </style>
</head>
<body>
    <!-- 创建头部 -->
    <header></header>

    <!-- 创建网页的主体 -->
    <main>
        <!-- 左侧导航 -->
       <nav></nav>

       <!-- 中间的内容 -->
       <article></article>

       <!-- 右边的边栏 -->
       <aside></aside>

    </main>
    
    <!-- 网页的底部 -->
    <footer></footer>
</body>
</html>